<>

```ts
type ChunkGroup = {
  name?: Readonly<string>; // name of this chunk group
  index?: Readonly<number>; // creating index of chunk group
  chunks: ReadonlyArray<Chunk>; // chunks in this chunk group
  origins: ReadonlyArray<{
    // where this chunk group is imported
    module?: Module;
    request?: string;
  }>;
  isInitial(): boolean; // whether this chunk group will be loaded on initial page load
  getFiles(): ReadonlyArray<string>; // the files contained this chunk group
  getParents(): ReadonlyArray<ChunkGroup>; // returns the parent chunk groups
};
```

</>
